19.—(1) The obligation of a person to comply with a notice under regulation 8(1), an access notice or a modification notice is a duty owed to any person who may be affected by a contravention of the notice.
(2) Where a duty is owed by virtue of paragraph (1) to any person, the duty may be enforced as if it were an obligation contained in a contract between that person and the person who owes the duty.
(3) In any proceedings brought against any person in pursuance of paragraph (2), it shall be a defence for that person to prove that he took all reasonable steps and exercised all due diligence to avoid contravening the notice concerned.
(4) The duty to comply with a notice under regulation 14 or to publish information under regulation 16(1) shall be enforceable by the Department by civil proceedings in the High Court for an injunction or other appropriate relief or remedy.